List of Billboard Hot 100 number-one singles of 2011
This is a list of number-one hits on the Billboard charts as determined by the U.S. ( Hot 100 ) in 2011. This year there were 14 number-one singles and 30 number-one albums.
- Katy Perry - Firework Three weeks (December 18, 2010 - January 7, 2011, a total of 4 weeks)
- 2 weeks ( February 5 to February 18, a total of 4 weeks)
- 6 weeks ( February 26-April 8 )
- 3 weeks ( April 9 to April 29, a total of 5 weeks)
- 2 weeks ( May 7 to May 20, a total of 5 weeks)
- 7 weeks ( May 21 to July 8 )
- 6 weeks ( July 16 to August 26 )
- 2 weeks ( August 27 to September 9 )
- 3 weeks ( 24 September to 14 October, a total of 4 weeks)
- 4 weeks ( 15 October to 11 November, a total of 5 weeks)
- 8 weeks (November 12, 2011 - January 6, 2012, a total of 10 weeks → 2012)
- Taylor Swift - Speak Now 4 weeks ( 1 January to 28 January, a total of 6 weeks → 2010)
- 2 weeks ( 12 March to 25 March, a total of 24 weeks → 2012)
- 5 weeks ( May 7 to June 10, a total of 24 weeks)
- 2 weeks ( June 11 to June 24 )
- 2 weeks ( July 16 to July 29 )
- 2 weeks ( August 27 to September 9 )
- 2 weeks ( September 17 to September 30 )
- 5 weeks (December 10, 2011 - January 13, 2012 )